ufw AlternativesFirewalls and other similar apps like ufw

Portmaster is a free and open-source privacy suite that puts you back in charge of your computer.

Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.

Simple firewall for MS Windows.

A firewall protects your computer against unwanted guests from the Internet. But who protects your private data from being sent out? Little Snitch does!

NetGuard provides simple and advanced ways to block access to the internet - no root required.

OpenSnitch is a GNU/Linux application firewall.

Gufw is an easy, intuitive way to manage your Linux firewall. It supports common tasks such as allowing or blocking pre-configured, common p2p, or individual ports port(s), and many others! Gufw is powered by Uncomplicated Firewall (ufw).

As soon as you’re connected to the Internet, your apps can send whatever they want to wherever they want, unnoticed by you, because all of this happens invisibly under the hood.

Firewalld provides a dynamically managed firewall with support for network/firewall zones that define the trust level of network connections or interfaces. It has support for IPv4, IPv6 firewall settings, ethernet bridges and IP sets.

All the functionalities of a modern Next-Gen firewall in few clicks: MultiWAN, Deep Packet Inspection, VPNs, Threat Protection.

Firestarter is an Open Source visual firewall program. The software aims to combine ease of use with powerful features, therefore serving both Linux desktop users and system administrators.

All CacheGuard products and services are focused on delivering secured and optimized Web contents to our clients. To achieve that goal we made CacheGuard OS which is our core product. Once installed on a virtual or hardware machine, CacheGuard OS turns it into a powerful Web...